Added Zabbix support

EonaCat.Logger/EonaCat.Logger.csproj

@@ -3,7 +3,7 @@
     <TargetFrameworks>.netstandard2.1; net6.0; net7.0; net8.0; net4.8;</TargetFrameworks>
     <ApplicationIcon>icon.ico</ApplicationIcon>
 	<LangVersion>latest</LangVersion>
-    <FileVersion>1.3.0</FileVersion>
+    <FileVersion>1.3.1</FileVersion>
     <Authors>EonaCat (Jeroen Saey)</Authors>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <Company>EonaCat (Jeroen Saey)</Company>
@@ -24,7 +24,7 @@
   </PropertyGroup>
 
 	<PropertyGroup>
-		<EVRevisionFormat>1.3.0+{chash:10}.{c:ymd}</EVRevisionFormat>
+		<EVRevisionFormat>1.3.1+{chash:10}.{c:ymd}</EVRevisionFormat>
 		<EVDefault>true</EVDefault>
 		<EVInfo>true</EVInfo>
 		<EVTagMatch>v[0-9]*</EVTagMatch>

EonaCat.Logger/Zabbix/API/ZabbixApi.cs

@@ -0,0 +1,141 @@
+using EonaCat.Json;
+using System;
+using System.Dynamic;
+using System.IO;
+using System.Net;
+using System.Text;
+
+namespace EonaCat.Logger.Zabbix.API;
+// This file is part of the EonaCat project(s) which is released under the Apache License.
+// See the LICENSE file or go to https://EonaCat.com/License for full license details.
+
+public class ZabbixApi
+{
+    public ZabbixApi(string user, string password, string zabbixURL, bool basicAuth)
+    {
+        _user = user;
+        _password = password;
+        _zabbixURL = zabbixURL;
+
+        if (basicAuth)
+        {
+            _basicAuth = Convert.ToBase64String(Encoding.GetEncoding("ISO-8859-1").GetBytes(_user + ":" + _password));
+        }
+
+        _auth = null;
+    }
+
+    public ZabbixApi(string user, string password, string zabbixURL) : this(user, password, zabbixURL, false)
+    { 
+    
+    }
+
+    private readonly string _user;
+    private readonly string _password;
+    private readonly string _zabbixURL;
+    private string _auth;
+    private readonly string _basicAuth = null;
+
+    /// <summary>
+    /// Determines if the user is logged in
+    /// </summary>
+    public bool IsLoggedIn { get; set; }
+
+    /// <summary>
+    /// Logs in the user
+    /// </summary>
+    public void Login()
+    {
+        dynamic authentication = new ExpandoObject();
+        authentication.user = _user;
+        authentication.password = _password;
+
+        ZabbixApiResponse zabbixApiResponse = ResponseAsObject("user.login", authentication);
+
+        _auth = zabbixApiResponse.Result;
+        IsLoggedIn = !string.IsNullOrEmpty(_auth);
+    }
+
+    /// <summary>
+    /// Logs out the user
+    /// </summary>
+    /// <returns></returns>
+    public bool Logout()
+    {
+        ZabbixApiResponse zbxResponse = ResponseAsObject("user.logout", new string[] { });
+        var result = zbxResponse.Result;
+        return result;
+    }
+
+    /// <summary>
+    /// Generic method to send a request to the Zabbix API
+    /// </summary>
+    /// <param name="method"></param>
+    /// <param name="parameters"></param>
+    /// <returns></returns>
+    public string ResponseAsJson(string method, object parameters)
+    {
+        ZabbixApiRequest zbxRequest = new ZabbixApiRequest("2.0", method, 1, _auth, parameters);
+        string jsonParameters = JsonHelper.ToJson(zbxRequest);
+        return SendRequest(jsonParameters);
+    }
+
+    /// <summary>
+    /// Generic method to send a request to the Zabbix API
+    /// </summary>
+    /// <param name="method"></param>
+    /// <param name="parameters"></param>
+    /// <returns></returns>
+    public ZabbixApiResponse ResponseAsObject(string method, object parameters)
+    {
+        ZabbixApiRequest zbxRequest = new ZabbixApiRequest("2.0", method, 1, _auth, parameters);
+        string jsonParameters = JsonHelper.ToJson(zbxRequest);
+        return CreateResponse(SendRequest(jsonParameters));
+    }
+
+    /// <summary>
+    /// Creates a ZabbixApiResponse object from a JSON string
+    /// </summary>
+    /// <param name="json"></param>
+    /// <returns></returns>
+    private ZabbixApiResponse CreateResponse(string json)
+    {
+        ZabbixApiResponse zbxResponse = JsonHelper.ToObject<ZabbixApiResponse>(json);
+        return zbxResponse;
+    }
+
+    /// <summary>
+    /// Sends a request to the Zabbix API
+    /// </summary>
+    /// <param name="jsonParams"></param>
+    /// <returns></returns>
+    private string SendRequest(string jsonParams)
+    {
+        WebRequest request = WebRequest.Create(_zabbixURL);
+        
+        if (_basicAuth != null)
+        {
+            request.Headers.Add("Authorization", "Basic " + _basicAuth);
+        }
+
+        request.ContentType = "application/json-rpc";
+        request.Method = "POST";
+        string jsonResult;
+
+        using (var streamWriter = new StreamWriter(request.GetRequestStream()))
+        {
+            streamWriter.Write(jsonParams);
+            streamWriter.Flush();
+            streamWriter.Close();
+        }
+
+        WebResponse response = request.GetResponse();
+        using (var streamReader = new StreamReader(response.GetResponseStream()))
+        {
+            jsonResult = streamReader.ReadToEnd();
+        }
+
+        return jsonResult;
+    }
+
+}

EonaCat.Logger/Zabbix/API/ZabbixApiRequest.cs

@@ -0,0 +1,42 @@
+namespace EonaCat.Logger.Zabbix.API
+{
+    // This file is part of the EonaCat project(s) which is released under the Apache License.
+    // See the LICENSE file or go to https://EonaCat.com/License for full license details.
+
+    public class ZabbixApiRequest
+    {
+        /// <summary>
+        /// Jsonrpc version
+        /// </summary>
+        public string Jsonrpc { get; set; }
+
+        /// <summary>
+        /// Method to call
+        /// </summary>
+        public string Method { get; set; }
+
+        /// <summary>
+        /// Id of the request
+        /// </summary>
+        public int Id { get; set; }
+
+        /// <summary>
+        /// Authentification token
+        /// </summary>
+        public string Auth { get; set; }
+
+        /// <summary>
+        /// Parameters of the request
+        /// </summary>
+        public dynamic Parameters { get; set; }
+
+        public ZabbixApiRequest(string jsonrpc, string method, int id, string auth, dynamic parameters)
+        {
+            Jsonrpc = jsonrpc;
+            Method = method;
+            Id = id;
+            Auth = auth;
+            Parameters = parameters;
+        }
+    }
+}

EonaCat.Logger/Zabbix/API/ZabbixApiResponse.cs

@@ -0,0 +1,25 @@
+using System.Dynamic;
+
+namespace EonaCat.Logger.Zabbix.API
+{
+    // This file is part of the EonaCat project(s) which is released under the Apache License.
+    // See the LICENSE file or go to https://EonaCat.com/License for full license details.
+
+    public class ZabbixApiResponse
+    {
+        /// <summary>
+        /// Jsonrpc version
+        /// </summary>
+        public string Jsonrpc { get; set; }
+
+        /// <summary>
+        /// Result of the request
+        /// </summary>
+        public dynamic Result = new ExpandoObject();
+
+        /// <summary>
+        /// Id of the request
+        /// </summary>
+        public int Id { get; set; }
+    }
+}

EonaCat.Logger/Zabbix/ZabbixData.cs

@@ -0,0 +1,17 @@
+
+/// <summary>
+///   Zabbix server.
+/// </summary>
+public class ZabbixData
+{
+    public string Host { get; set; }
+    public string Key { get; set; }
+    public string Value { get; set; }
+
+    public ZabbixData(string host, string key, string value)
+    {
+        Host = host;
+        Key = key;
+        Value = value;
+    }
+}

EonaCat.Logger/Zabbix/ZabbixRequest.cs

@@ -0,0 +1,74 @@
+using EonaCat.Json;
+using System;
+using System.Net.Sockets;
+using System.Text;
+using System.Threading.Tasks;
+
+public class ZabbixRequest
+{
+    private const int BUFFER_SIZE = 1024;
+
+    /// <summary>
+    /// The request to send to the Zabbix server
+    /// </summary>
+    public string Request { get; set; }
+
+    /// <summary>
+    /// The data to send to the Zabbix server
+    /// </summary>
+    public ZabbixData[] Data { get; set; }
+
+    public ZabbixRequest(string host, string key, string value)
+    {
+        Request = "sender data";
+        Data = [new ZabbixData(host, key, value)];
+    }
+
+    /// <summary>
+    /// Sends the request to the Zabbix server
+    /// </summary>
+    /// <param name="server"></param>
+    /// <param name="port"></param>
+    /// <param name="timeout"></param>
+    /// <returns></returns>
+    /// <exception cref="TimeoutException"></exception>
+    public async Task<ZabbixResponse> SendAsync(string server, int port = 10051, int timeout = 500)
+    {
+        string json = JsonHelper.ToJson(new ZabbixRequest(Data[0].Host, Data[0].Key, Data[0].Value));
+        using (TcpClient tcpClient = new TcpClient(server, port))
+        using (NetworkStream stream = tcpClient.GetStream())
+        {
+            byte[] header = Encoding.ASCII.GetBytes("ZBXD\x01");
+            byte[] dataLength = BitConverter.GetBytes((long)json.Length);
+            byte[] content = Encoding.ASCII.GetBytes(json);
+            byte[] message = new byte[header.Length + dataLength.Length + content.Length];
+
+            Buffer.BlockCopy(header, 0, message, 0, header.Length);
+            Buffer.BlockCopy(dataLength, 0, message, header.Length, dataLength.Length);
+            Buffer.BlockCopy(content, 0, message, header.Length + dataLength.Length, content.Length);
+
+            stream.Write(message, 0, message.Length);
+            stream.Flush();
+
+            int counter = 0;
+            while (!stream.DataAvailable)
+            {
+                if (counter < timeout / 50)
+                {
+                    counter++;
+                    await Task.Delay(50).ConfigureAwait(false);
+                }
+                else
+                {
+                    throw new TimeoutException();
+                }
+            }
+
+            byte[] responseBytes = new byte[BUFFER_SIZE];
+            stream.Read(responseBytes, 0, responseBytes.Length);
+            string responseAsString = Encoding.UTF8.GetString(responseBytes);
+            string jsonResult = responseAsString.Substring(responseAsString.IndexOf('{'));
+            return JsonHelper.ToObject<ZabbixResponse>(jsonResult);
+        }
+    }
+}

EonaCat.Logger/Zabbix/ZabbixResponse.cs

@@ -0,0 +1,6 @@
+public class ZabbixResponse
+{
+    public string Response { get; set; }
+    public string Info { get; set; }
+
+}